Compare Oppo A57 with Samsung Galaxy J7 (2016) with Vivo Y66

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Compare Oppo A57 vs Samsung Galaxy J7 (2016) vs Vivo Y66

Summary	76 Score	76 Score	75 Score
Performance	Qualcomm MSM8940 Snapdragon 435 3 GB RAM Android 6.0 Marshmallow	Samsung Exynos 7 Octa 7870 2 GB RAM Android OS, v6.0.1 (Marshmallow)	MediaTek MT6750 3 GB RAM Android 6.0.1, Marshmallow
Display	5.2 inch 720 x 1280 pixels 282 PPI Density	5.5 inch 1280 x 720 pixels 267 PPI Density	5.5 inch 720 x 1280 pixels 267 PPI Density
Camera	13 MP (Main) 16 MP (Front)	13 MP (Main) 5 MP (Front)	13 MP (Main) 16 MP (Front)
Battery	2900 mAh Li-ion	3300 mAh Li-ion	3000 mAh Li-po
Display
Screen Size	5.2 inch	5.5 inch	5.5 inch
Screen Resolution	720 x 1280 pixels	HD, 1280 x 720 Pixels	720
Pixel Density	282 PPI	267 PPI	267 PPI
Display Type	IPS LCD capacitive touchscreen, 16M colors	Super AMOLED Capacitive Touchscreen, Multi-touch	IPS LCD, Multi-touch
Gorilla Glass	Yes	-	Yes
Screen Protection	Gorilla Glass 4	-	Gorilla Glass 3
Chipset
Brand	Oppo Mobiles	Samsung Mobiles	Vivo Mobiles
Chipset	Qualcomm MSM8940 Snapdragon 435	Samsung Exynos 7 Octa 7870	MediaTek MT6750
Processor	Octa-core 1.4 GHz Cortex-A53	Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)	1.5 Ghz Octa-core Processor
RAM	3 GB RAM	2 GB RAM	3 GB RAM
GPU	Adreno 505	ARM Mali-T830 MP1	Adreno 505 GPU
Camera
Rear Camera Resolution	13 MP	13 MP	13 MP
Front Camera Resolution	16 MP	5 MP	16 MP
Video
Camera Features	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging	Autofocus, Touch Focus, Flash, Panorama	Autofocus, Touch Focus, Flash, Panorama, Geo-Tagging
General
Operating System	Android	Android	Android
OS Version	Android 6.0 Marshmallow	Android OS, v6.0.1 (Marshmallow)	Android 6.0.1, Marshmallow
Weight	147 g	170 g	155 g
Dimensions	149.1 x 72.9 x 7.7 mm	151.7 x 76 x 7.8 mm	153.8 x 75.5 x 7.6 mm
Thickness	7.7mm	7mm	7.6mm
Storage
Internal Storage	32 GB	16 GB	32 GB
Card Slot	microSD, Up to 256GB	microSD, Up to 256GB	microSD, Up to 128GB
Other	32GB, Expandable upto 256GB	16GB storage, microSD card slot	32GB, Expandable upto 128GB
Communication
SIM Card Slots	Dual SIM	Dual SIM	Dual SIM
SIM Card Type	Nano-SIM	Micro-SIM	Micro-SIM
Bluetooth	v4.1	v4.1	v4.1
3.5 mm Jack	Yes	Yes	Yes
NFC	No		No
Connectivity
VoLTE
4G	TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)	TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8)	LTE 2100, LTE 800, LTE 1800, LTE 2600
3G	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz	UMTS 1900 / 2100 / 850 / 900 MHz
2G	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz	GSM 1800 / 1900 / 850 / 900 MHz
Wi-Fi	Wi-Fi 802.11 a/g/n	Wi-Fi 802.11, b/g/n	Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot
GPS	A-GPS	with A-GPS, Glonass	A-GPS
GPRS
EDGE
Radio
Battery
Battery Capacity	2900 mAh	3300 mAh	3000 mAh
Battery Type	Li-ion	Li-ion	Li-po
Standby Time
Talk Time		23 hrs (3G)
Other Features
Fingerprint Scanner
Waterproof
Sensors	Distance Sensor Light Sensor G-sensor E-compass	Light sensor Proximity sensor Accelerometer	Accelerometer Gyro sensor and Geomagnetic sensor
Messaging	SMS (threaded view), MMS, Email, Push Email
Java
Other